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143057-87-8

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143057-87-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143057-87-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,5 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143057-87:
(8*1)+(7*4)+(6*3)+(5*0)+(4*5)+(3*7)+(2*8)+(1*7)=118
118 % 10 = 8
So 143057-87-8 is a valid CAS Registry Number.

143057-87-8Downstream Products

143057-87-8Relevant articles and documents

1H-pyrazole-1-alkanamines antiarrhythmic compositions and use

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, (2008/06/13)

N-[alkylamino)alkyl]-3,4(or 4,5)-diaryl-1H-pyrazole-1-(branched)alkanamides and pyrazole-1-alkanamines useful for treating cardiac arrhythmias in mammals, are prepared by reacting a lower-alkyl ester of pyrazole-1-acetic acid with an appropriate diamine followed by reduction or by reacting the anion of a lower-alkyl ester of a pyrazole-1-acetic acid with an alkylating agent followed by displacement of the ester by an appropriate amine.

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